PartsTable
Technical Data Sheet
4-1338-20 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include special_features: RELAY, OVERLOAD; ABB 3POLE, 1.6-2.4A A, end_item_identification: WATER PANEL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-583-3789, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL 4-1338-20
NSN: 6145-00-583-3789
FSC: 6145
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
special_featuresRELAY, OVERLOAD; ABB 3POLE, 1.6-2.4A A
end_item_identificationWATER PANEL
NSN6145-00-583-3789
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 4-1338-20 · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
MATERIAL: PLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
TEMP RATING: -55.0 CELSIUS AND 115.0 CELSIUS DEGC
STRAND QUANTITY PER CONDUCTOR: 19 SINGLE CONDUCTOR
VOLTAGE RATING: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE: 20 AWG SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
TEMP RATING-55.0 CELSIUS AND 115.0 CELSIUS DEGC
STRAND QUANTITY PER CONDUCTOR19 SINGLE CONDUCTOR
VOLTAGE RATING600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
MATERIALCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE20 AWG SINGLE CONDUCTOR
SURFACE TREATMENTTIN CORE CONDUCTOR SINGLE CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR32 SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
MIL-W-16878/17Upgraded Successor
successor cross-reference
successor
3003101Upgraded Successor
successor cross-reference
successor
W11-1-12Upgraded Successor
successor cross-reference
successor
W11/1/12Upgraded Successor
successor cross-reference
successor
M16878/17BLG9Upgraded Successor
successor cross-reference
successor
439-7037-000Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-1338-20?
4-1338-20 is a RELAY,ELECTROMAGNETIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4-1338-20?
There are 33 known substitutes for 4-1338-20: MIL-W-16878/17, 3003101, W11-1-12 and 30 more. Substitute compatibility should be verified for your specific system.
Is 4-1338-20 still available?
4-1338-20 is currently cancelled.
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